Genus

Xiphograptus Cooper et Fortey, 1982

Aiheeseen liittyvät julkaisut

Maletz, J., Ahlberg, P. 2021. Dapingian to lower Darriwilian (Middle Ordovician) graptolite biostratigraphy and correlation of the Krapperup drill core, Scania, Sweden. GFF 143, 1, 16-39. DOI:10.1080/11035897.2020.1822439

Maletz, J. 2010. Xiphograptus and the evolution of virgella-bearing graptoloids. Palaeontology 53, 2, 415-439. DOI:10.1111/j.1475-4983.2010.00940.x

Maletz, J. 2005. Early Middle Ordovician graptolite biostratigraphy of the Lovisefred and Albjära drill cores (Scania, southern Sweden). Palaeontology 48, 4, 763-780. DOI:10.1111/j.1475-4983.2005.00482.x

Maletz, J. 1997. Graptolites from the Nicholsonograptus fasciculatus and Pterograptus elegans Zones (Abereiddian, Ordovician) of the Oslo Region, Norway. Greifswalder Geowissenschaftliche Beiträge 4, 5-98.

Skevington, D. 1965. Graptolites from the Ontikan Limestones (Ordovician) of Öland, Sweden. II. Graptoloidea and Graptovermida. Bulletin of the Geological Institutions of the University of Uppsala 43, 1-74.

List of species

1. Xiphograptus formosus (Bulman, 1936) | Dapingian→Darriwilian

2. Xiphograptus lofuensis (Lee, 1961) | Dapingian→Darriwilian

3. Xiphograptus patulentis (Chen, 1979) | Darriwilian

4. Xiphograptus robustus (Ekström, 1937) | Darriwilian→Sandbian

Luokittelu

Organism group	Biota
Kingdom	Animalia
Phylum	Hemichordata
Class	Pterobranchia
Subclass	Graptolithina
Order	Graptoloidea
Suborder	Dichograptina
Family	Pterograptidae
Genus	Didymograptellus
	Pseudobryograptus
	Pterograptus
	Xiphograptus
Species	formosus
	lofuensis
	norvegicus
	patulentis
	robustus
Genus	Yutagraptus